The Hunan Changsha appears the rare fog haze pollution to approach the sand storm history peak value
　　 The sky is decadent, in ground dusky.On 12th, continuous and incessant rains first clear Changsha covers in the sun does not penetrate in the fog haze which, the steam cannot scatter.Changsha Environmental protection department monitors believed that, is because “the external pollutant input pollution”, causes in the Changsha air quality close history to affect the north sand storm the most serious air pollution level.
　　 Since Nanchang presently this year the most serious ash haze expert has called rarely
　　 After continues near two day Nanjing, Wuhan encounters the fog haze to confuse successively the city, after yesterday Nanchang also step “the dust”, appeared an obvious fog haze weather.According to the meteorological department monitors, yesterday before the 11AM, the Nanchang light fog wound around, hereafter mist by ash haze substitution, one all day visibility not ultra 3000 meters, since this has been this year a Nanchang most serious ash haze weather, causes a pollution index group dramatic rise, the individual place once appears the specific weight pollution.
　　 How recycles waste
　　 “In the world does not have trash, only then puts the wrong place the resources”, the straw stalk take one new living thing mass energy, if these living thing mass energy and other renewable energy full use, the part substitution fossil energy, alleviates the now energy crisis not not to have possibly.How recycles waste, the expert has given following suggestion.
　　 1st, sends in the gasifier straw stalk to change the three treasures
　　 Using the technology the crops straw stalk including the rice husk, the husk and so on sends in the gasifier, measures land limitedly for the oxygen or produces the ignitable gas through the fungus fermentation, again carries on was mad the fluid solid separation obtains the three treasures “the parent substance”.Separates gas like methane, carbon monoxide available in electricity generation, or transforms as the home use fuel gas; The liquid obtains the vinegar fluid through the condensation recycling, may take the feed profession the disinfection fluid; But a minute principle leaves the solid coal, richly the nutritive elements which grows including the crops, adding water and has the persistent effect slow release function fat, may use in the soil which improved the heavy metal pollution and already degenerates, also might process for the home use adsorption coal package.Thus it can be seen, fully using the straw stalk gasification separation product enable the originally crops to remain into the industry three treasures.
　　 2nd, the briquetting solidifies, the straw stalk make the fuel
　　 The straw stalk solidify the formation fuel, also is called the straw the stalk briquetting fuel, after is the straw stalk smashing, Shan Zhonghuo many kinds of straw stalk coordination, uses the mechanical device to compress makes massive, clavate or granulated.This fuel both available lives in the city and countryside inhabitant, and available does work the agricultural production fuel (like to heat boiler, dry agricultural and subsidiary products, electricity generation and so on), also may carry on the intensive processing, the production artificial charcoal and the activated charcoal contour added value product.
　　 3rd, correct burning, the straw stalk can generate electricity
　　 The straw stalk use in generating electricity directly have the precedent early in our country, south some places on mix using the bagasse burn generate electricity.But must use the straw stalk electricity generation, also only needs to the existing power plant boiler chamber to transform slightly, again increases loses the material and the bag type dust removal installment then.Takes the fuel by the straw stalk substitution partial coals, cannot affect the power set the normal operation, and when centralized processing straw stalk so long as technical processing is appropriate, but also may play the improvement environment role.The electricity generation produces the straw stalk ash dregs or the potassium fertilizer may use or further Canada directly work duplicate Hefei.
In brief, the straw stalk are a good thing.The straw stalk are the precious resources, in the straw stalk include the organic matter, the nitrogen, the phosphorus, the potassium, the calcium, the sulfur and so on many kinds of nutritive elements.Our country the light rice wheat straw stalk output amounts to 350,000,000 tons every year.If is counted the corn, rape's straw stalk again, has the expert to estimate amounts to 900,000,000 tons, that is the how astonishing numeral!



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